Amazon concerns over Anthropic models precede U.S. crackdown

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Amazon concerns over Anthropic AI

Highlights

Amazon CEO Andy Jassy and other tech executives raised security concerns over Anthropic's advanced AI models with senior Trump administration officials prior to new restrictions.
The U.S. government directed Anthropic to globally disable foreign national access to its Fable 5 and Mythos 5 models on Friday, citing national security and export controls.
Anthropic's confidential U.S. IPO filing now faces increased scrutiny as export controls limit research participation by allied nationals, complicating commercial strategy and global talent access.

Security concerns and export controls

As reported by Reuters, Jassy is among tech executives who raise concerns to senior Trump administration officials about security risks in Anthropic’s advanced AI models. Amazon does not immediately respond to a request for comment.

On Friday, the administration directs Anthropic, citing national security concerns, to block any foreign nationals, whether inside or outside the U.S., from using its latest models, Fable 5 and Mythos 5. Anthropic says it will disable access to the models globally.

In a Friday blog post, Anthropic says the U.S. government believes there is a way to bypass, or "jailbreak," a safeguard designed to prevent Fable 5 from being used to identify software vulnerabilities. The company says the restrictions come in the form of an export control.

Industry impact and policy questions

The U.S. Commerce Department’s Bureau of Industry and Security, which oversees export controls, does not immediately respond to a request for comment. The action lands as parts of an earlier dispute between Trump administration officials and Anthropic appear to be easing across sections of the U.S. government.

Some experts who support export controls on advanced AI models say the measure is difficult to explain because it affects allied countries as well as adversaries. Jimmy Goodrich, a senior fellow at the University of California's Institute for Global Conflict and Cooperation, says the order appears poorly designed because it also bars Canadians and people from the UK employed at Anthropic from conducting research and development.

The move also adds pressure on Anthropic as the company has confidentially filed for a U.S. initial public offering, linking national security scrutiny more directly to AI commercial strategy and access to global talent.

In our earlier coverage of the U.S. government’s order restricting foreign-national access to Anthropic’s Mythos 5 and Fable 5 models, we explained that the directive effectively forced a global shutdown of access after officials flagged a potential jailbreak risk. We also noted that the episode heightened policy tensions over how frontier AI systems should be reviewed and whether the government has clear authority to halt or constrain model releases.

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